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Old 07-08-2012, 10:15 PM   #1
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Slightly pissed at my non starting 99gt

For seven years now I haven't been able to enjoy the perks of a new engine and 6 speed swap because the thing doesn't start. I'm running out of ideas...the car cranks and won't turn over. The negative battery cable gets hot and smokes which means a bad ground, yet everything looks good. I don't get fuel through the rails either. So maybe a bad crank our cam sensor? My luck itll be something stupid and small. Can it be a bad key also? Any and all advise would be helpful. I'm ready to sell this thing dirt cheap so I can rid this headache. I need serious help with this problem.
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Old 07-09-2012, 12:45 AM   #2
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Re: Slightly pissed at my non starting 99gt

If it is a bad key then the theft light will blink but you can try another key thats already programmed to the car. You can change the crank and cam sensor but I dont think that will solve your problem. Mine did the same thing but it was getting fuel to the rails, it would run for a min and then die. The spark plugs would get soaked in fuel and then it wouldnt run again until the fuel was evap from the cyn and I was getting fire too. I changed then cam, crank, and used a spare key that was good. So I got fed up with it and brought it to a speed shop and they found out the anti-theft mod was bad and wasnt allowing the engine to fire right. They disabled it so its runs now so you might have to take it in to ford or a shop that can dia the problem because I would have never thought it was the anti-theft mod.
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Old 07-09-2012, 11:21 AM   #3
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The theft light blinks and stays on while cranking. How hard is it to get the PATS system removed from the ECM?
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Old 07-09-2012, 11:31 AM   #4
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Quote:
Originally Posted by bostang99
The theft light blinks and stays on while cranking. How hard is it to get the PATS system removed from the ECM?
Not hard, just bring it to a shop and they should be able to get it out for you, mine did that and I just brought it to the local mustang performance shop and they put pretty much a tune in it to get rid of it.
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Old 07-09-2012, 02:19 PM   #5
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Re: Slightly pissed at my non starting 99gt

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Originally Posted by 96gt014.6 View Post
Not hard, just bring it to a shop and they should be able to get it out for you, mine did that and I just brought it to the local mustang performance shop and they put pretty much a tune in it to get rid of it.
+1 just a thought but do you have a spare key thats already programmed to the car? Try it first...and see what it does
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Old 07-09-2012, 07:44 PM   #6
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Dumb idea but....anyone try the fuel cutoff switch yet?
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Old 07-09-2012, 07:47 PM   #7
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Originally Posted by 1996mustang
Dumb idea but....anyone try the fuel cutoff switch yet?
+1 not a dumb idea
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Old 07-09-2012, 08:02 PM   #8
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Also another dumb idea. I had an issue with mine crankin not startin and it blew the eec fuse. Mine turned out to be the harness touching by the egr tube goin to the plenum though nothing stated here says any fuses are being blown. Just my $0.02
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o/r x-pipe flow master 40 series dump downs, cai/ram intake, 75mm c&l throttle body and plenum, pi heads and intake swap, msd wires, stock gears, untuned at the moment, no dyno numbers for now.
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Old 07-09-2012, 09:42 PM   #9
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I havent had a whole lot of time to pull fuses...always hated it. I dont have a spare key, but there is a hardware store that says they cut keys with transmitters. I had a issues some time ago where I had the dealer replace some fuse, when I asked where/which one they couldnt give and answer. The fuel shut off switch in the trunk has been spliced and I used a connector with a heat gun and is holding well. I think the neg battery cable heating up and the car not startin COULD be 2 different issues, but im no means a mechanic. Is there a way to test the ecm to see if that burnt out? I would guess thered be a fuze to check first, and if so where should I look for it?

---------- Post added at 08:42 PM ---------- Previous post was at 08:38 PM ----------

And I kinda think its the PATS system just cause if you crank and it doesnt start but let it sit for 30 min or so MOST times itll fire right up like nothin happened. Thats why I thought maybe the transmitter in the key is bad. The car is 13 yrs old.
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Old 07-09-2012, 09:49 PM   #10
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First start off with the fuses under the hood. And also check the fuse i believe #18 under the dash on the driver side that would be your eec fuse alao called the fuse to the ccrm in my words lol. If u have the manual it will tell u what fuse are wat if no manual available ford website has manuals on pdf that u can download also for your year stang. If the neg is gettin hot then u deff are shorting something out so i would check any grounds touching anything power ie starter. But look to see if any fuses burnt and keep us posted im sure with everyone answerin we can ger that stand up and running so u may enjoy her

---------- Post added at 10:49 PM ---------- Previous post was at 10:46 PM ----------

As to the pats thing i also had a problem with it but i replaced the wiring harness on the key cylinder. Its a ring with wires ford sells it i replaced mine cause i kinda broke it when i was workin on my steering wheel lol
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o/r x-pipe flow master 40 series dump downs, cai/ram intake, 75mm c&l throttle body and plenum, pi heads and intake swap, msd wires, stock gears, untuned at the moment, no dyno numbers for now.
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Old 07-09-2012, 10:07 PM   #11
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Thanks...to all, very good advice, keep it coming! Lol. This is why I love the mustang community, all the help is great. The car hasn't been started in a couple months but when I did it fired right up. I don't have a garage for it anymore since I switched apartments but will be moving into a house by sept 15 in which case I can tear into it. But that being said I have little time (and money) for it. Oh did I mention I had a baby too lol? So cash is low. ={
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Old 07-09-2012, 11:16 PM   #12
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Re: Slightly pissed at my non starting 99gt

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Thanks...to all, very good advice, keep it coming! Lol. This is why I love the mustang community, all the help is great. The car hasn't been started in a couple months but when I did it fired right up. I don't have a garage for it anymore since I switched apartments but will be moving into a house by sept 15 in which case I can tear into it. But that being said I have little time (and money) for it. Oh did I mention I had a baby too lol? So cash is low. ={
so what was the problem?
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Old 07-09-2012, 11:23 PM   #13
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Haven't figured it out yet, I'm gonna look into the fuses tomorrow. I was just thanking everyone. Ill keep it posted. Its just sad how many people have the same problem as mine and all different ends. Once it gets started the first thing I'm gonna do is have the pats removed. But for now its the fuses and grounds. How many grounds should I look for? Seems endless...
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Old 07-09-2012, 11:32 PM   #14
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Re: Slightly pissed at my non starting 99gt

ohok, far as grounds I know there is one by the exhaust manifolds...forgot which side im not at home to look at mine. There is alot of them man....
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Old 07-09-2012, 11:40 PM   #15
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Another issue I have is that the valve cover gasket leaks oil, I can't get one if the bolts down because the master cylinder is in the way. Maybe, if its on the driver bank, that the ground had some oil on it. The oil burns off my headers. I HATE wires! I wanted to build a 408 but no one would let me cuz of IL emissions! I should leave it alone and sell the motor later and do what I want. Go carb, no harness and way less grounds!
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Old 07-10-2012, 12:33 AM   #16
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Re: Slightly pissed at my non starting 99gt

Check and see if the ground is on that side....there might be oil between the wire and the block or whatever its connected too. I wanna say its on that side but im not sure, I've been gone from the home for a year so I cant remember.

I agree, go carb and you wont have to worry with all the grounds and wires lol
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Old 07-10-2012, 05:13 PM   #17
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Well I know my ecm fuse is popped, why the car isn't starting right now. So what would do that? A bad ground to the ecu, a bad injector, bad battery connection?
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Old 07-10-2012, 06:13 PM   #18
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Quote:
Originally Posted by bostang99
For seven years now I haven't been able to enjoy the perks of a new engine and 6 speed swap because the thing doesn't start. I'm running out of ideas...the car cranks and won't turn over. The negative battery cable gets hot and smokes which means a bad ground, yet everything looks good. I don't get fuel through the rails either. So maybe a bad crank our cam sensor? My luck itll be something stupid and small. Can it be a bad key also? Any and all advise would be helpful. I'm ready to sell this thing dirt cheap so I can rid this headache. I need serious help with this problem.
Is this a trick question? 7 years? Get a good multimeter and get cracking! Save that horse.
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Old 07-10-2012, 06:21 PM   #19
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Well see guy, in 7 years had about 20 mechanics look into this thing and give me 20 answers. All from air temp sensor to fuel pump...bumper to bumper. Hard to do a lot with 0 cash. Lol. Everyone took it.
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Old 07-10-2012, 08:18 PM   #20
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Im telling u check the wires that run by the egr. Its wat happened to me they melted and made contact with the tube ill post a pic in a sec
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o/r x-pipe flow master 40 series dump downs, cai/ram intake, 75mm c&l throttle body and plenum, pi heads and intake swap, msd wires, stock gears, untuned at the moment, no dyno numbers for now.
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Old 07-10-2012, 08:22 PM   #21
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Re: Slightly pissed at my non starting 99gt

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Im telling u check the wires that run by the egr. Its wat happened to me they melted and made contact with the tube ill post a pic in a sec
ya know, come to think of it mine did the same thing but luckly it just burnt the conduct instead of the wires but it was getting there. I have a speed shop remove all of that with the egr while they were tuning it.
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Old 07-10-2012, 08:24 PM   #22
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o/r x-pipe flow master 40 series dump downs, cai/ram intake, 75mm c&l throttle body and plenum, pi heads and intake swap, msd wires, stock gears, untuned at the moment, no dyno numbers for now.
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Old 07-10-2012, 08:26 PM   #23
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I zip tied mine to the bracket by the firewall after i redid the wiring and rewrapped it with electrical tape
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Old 07-10-2012, 08:30 PM   #24
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That would be great!
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Old 07-10-2012, 08:33 PM   #25
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Pardon the engine bay lol i know its a mess
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Old 07-11-2012, 09:03 PM   #26
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Well looks like I might have found the ground...not sure its the problem yet but there is a ground inside the passenger side kick plate by the ecm that was hangin like a thread! My ecm fuse wasnt blown so im thinkin the computer wasnt functioning to start the car. Ill be a sun of b*itch if that was it. But the battery is completely fried so when I buy a new one ill know for sure. Tonight it sounded like it wanted just didnt have enough umph. Little burbs.
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Old 07-11-2012, 10:04 PM   #27
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If its thay groind then its good to know it was simple. Though sucks to go thru all the hard work to find it lol but i hope for the best
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Old 07-12-2012, 06:09 AM   #28
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Are those MSD wires? Separate them by side. Check your firing order setup. MSD wires are usually labeled l an r and sized to fit if they are spec for your car.
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Old 07-12-2012, 08:41 AM   #29
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Wires have been on the car for about 2 years now
It was the kit where u splice and build the wires got to lazy to clean it up and regretted not cleanin it up lol. But everything works on the car runs and drives daily. Just need to get unlazy and make it a cleaner engine bay soon
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o/r x-pipe flow master 40 series dump downs, cai/ram intake, 75mm c&l throttle body and plenum, pi heads and intake swap, msd wires, stock gears, untuned at the moment, no dyno numbers for now.
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Old 07-12-2012, 07:27 PM   #30
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Ok fixed bad ground, started up and ran for 5 min...then died, wont start.
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Old 07-12-2012, 08:40 PM   #31
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Blew ecm fuse.
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Old 07-12-2012, 08:49 PM   #32
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Old 07-12-2012, 08:51 PM   #33
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This was a something else I found...looks like a wire from the coil line to the front the motor. One on both sides of valve cover. Its cracked and burnt. Dunno what it is. Anyone?
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Old 07-12-2012, 10:56 PM   #34
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Can u take a better picture please lol i cant see it well
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o/r x-pipe flow master 40 series dump downs, cai/ram intake, 75mm c&l throttle body and plenum, pi heads and intake swap, msd wires, stock gears, untuned at the moment, no dyno numbers for now.
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Old 07-12-2012, 11:01 PM   #35
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That was the best I can get ill try again.
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